Home / 153,381.94-211,634.54-96,760.50

Finding the Fourth Proportional to 153,381.94, 211,634.54 and 96,760.50

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Solution

The fourth proportional to 153,381.94, 211,634.54 and 96,760.50 is: 133,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,381.94 : 211,634.54 = 96,760.50 : x
  2. Step 2: Convert to fraction form
    153,381.94/211,634.54 = 96,760.50/x
  3. Step 3: Cross multiply
    153,381.94x = 211,634.54 × 96,760.50
  4. Step 4: Simplify right side
    153,381.94x = 20,477,863,907.67
  5. Step 5: Solve for x
    x = 20,477,863,907.67/153,381.94
  6. Step 6: Final answer
    x = 133,508.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.